10720420 has 24 divisors (see below), whose sum is σ = 23240448. Its totient is φ = 4149600.

The previous prime is 10720399. The next prime is 10720429. The reversal of 10720420 is 2402701.

It is a super-2 number, since 2×10720420² = 229854809952800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10720394 and 10720403.

It is not an unprimeable number, because it can be changed into a prime (10720429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8026 + ... + 9265.

It is an arithmetic number, because the mean of its divisors is an integer number (968352).

Almost surely, 2^10720420 is an apocalyptic number.

10720420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10720420 is an abundant number, since it is smaller than the sum of its proper divisors (12520028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10720420 is a wasteful number, since it uses less digits than its factorization.

10720420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17331 (or 17329 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 10720420 is about 3274.2052470791. The cubic root of 10720420 is about 220.4976338480.

The spelling of 10720420 in words is "ten million, seven hundred twenty thousand, four hundred twenty".